VB获取执行程序图标
一个CommonDialog，一个CommandButton，一个PictureBOX
Option Explicit
Private Declare Function DrawIcon Lib "user32" (ByVal hdc As Long, ByVal x As Long, ByVal y As Long, ByVal hIcon As Long) As Long
Private Declare Function ExtractIcon Lib "shell32.dll" Alias "ExtractIconA" (ByVal hInst As Long, ByVal lpszExeFileName As String, ByVal nIconIndex As Long) As Long
Private Sub Command1_Click()
Dim total As Long
Dim p(50) As Long
Dim i As Integer
Me.Picture1.Cls
Me.CommonDialog1.Filter = "图标|*.Exe;*.Ico;*.Dll"
Me.CommonDialog1.ShowOpen
If Dir(Me.CommonDialog1.FileName) <> "" Then
If ExtractIcon(App.hInstance, Me.CommonDialog1.FileName, -1) = 0 Then '如果没有图标
MsgBox "No Icon!"
Else
total = ExtractIcon(App.hInstance, Me.CommonDialog1.FileName, -1)
'取得总图标数
For i = 0 To total - 1
p(i) = ExtractIcon(App.hInstance, Me.CommonDialog1.FileName, i) '读取每个图标
Next i
For i = 0 To total - 1 '依次显示每个图标
DrawIcon Picture1.hdc, 34 * i, 0, p(i)
Next i
End If
End If
End Sub
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Private Const INTERNET_OPEN_TYPE_DIRECT = 1
Private Const scuseragent = "vb wininet"
Private Const INTERNET_FLAG_PASSIVE = &H8000000
'调用设置环境
Private Declare Function InternetOpen Lib "wininet.dll" Alias "InternetOpenA" (ByVal sAgent As String, ByVal lAccessType As Long ......
mxl=1 && 最大的文本框编号
mnl=1 &n ......
VB6
在程序运行时用如下语句：
if app.PrevInstance=true then
end
end if
VB 2005:
1. 在VB2005中,打开"属性"页,启用"应用程序“框架, 选中"
单实例应用程序"前面复选框,就行了。
......
MYSQL 应用十分广范，很多网站几乎都在用他，因为他的小巧和灵活性等方面让我决定要对他进行研究，到现在已经成功的不用经过ODBC，ADO等方式就可以读取和更新数据。
好了不多罗嗦，以下我来介绍总个程序的细节:
（一）API声明
1. '分配或初始化适合mysql_real_connect()的一个MYSQL对像� ......
1、Private Sub Form_QueryUnload(Cancel As Integer, UnloadMode As
Integer)
Cancel = True
End Sub
2、Private Sub
Form_Unload(Cancel As Integer)
Cancel = ......
